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balu736 [363]
3 years ago
6

help me plz answere this question plz. . . Which statement best compares momentum and kinetic energy?. . answeres plz help:. . A

. if you dubble the velocity of an object, its kinetic energy doubles. but for the same increase in velocity, the momentum increases 4 times.. B. if you dubble the velocity of an object, its momentum doubles. but for the same increase in velocity, the momentum increases 4 times.. C. if you dubble the velocity of an object,its momentum and kinetic energy doubles. D. if you dubble the velocity of an object, its monentum and Kinetic energy dubbles. .
Physics
2 answers:
ad-work [718]3 years ago
6 0
B. if you double the velocity of an object, its momentum doubles. but for the same increase in velocity, the kinetic energy increases 4 times..
Nat2105 [25]3 years ago
3 0
The correct answer among the choices given above is option B. Momentum and kinetic energy are compared by the statement "If you double the velocity of an object, its momentum doubles. but for the same increase in velocity, the kinetic energy increases 4 times.
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Answer:38.66 m

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Given

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R=\frac{18^2\sin 102}{9.8}

R=32.33 m

Center of mass will be at x=32.33 m

(b)if one of the piece will be at x=26  m then other will be at

x_{com}=\frac{m_1x_1+m_2x_2}{m_1+m_2}

x_{com}=\frac{\frac{m}{2}\cdot 26+\frac{m}{2}\cdot x_0}{\frac{m}{2}+\frac{m}{2}}

32.33=\frac{26+x_0}{2}

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